MESON Chess Problem Database

Problem Display
PID: 6562 (2R1B3/4K3/p3n3/2N5/2kp3R/1nP2Q2/1P2N3/8 w - - 0 1)

Mansfield, Comins

2nd Place, Sports Referee, 1931/I

2R1B3/4K3/p3n3/2N5/2kp3R/1nP2Q2/1P2N3/8

#2

9 + 5

3098 FIDE Album (1914-1944) (I) 1971
3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Tries
    • 1.Kxe6?
      • threat
        • 2.Qd5#
        • 2.Qd3#
      • 1...Sc1
        • 2.Rxd4#
        • 2.Qd5#
      • 1...Sxc5+!
    • 1.Se4+?
      • 1...Kd5
        • 2.Qf5#
      • 1...Sbc5
        • 2.Sd2#
      • 1...Sec5
        • 2.Sd6#
      • 1...Sc7!
    • 1.Sb7+?
      • 1...Sbc5
        • 2.Sa5#
      • 1...Sec5
        • 2.Sd6#
      • 1...Sc7!
    • 1.Qf7?
      • threat
        • 2.Qxe6#
      • 1...Kd5
        • 2.Qxe6#
      • 1...Sxc5!
  • Keys
    • 1.Sxd4!
      • 1...Sbxd4
        • 2.b3#
      • 1...Sbxc5
        • 2.b3#
      • 1...Sexd4
        • 2.Qf7#
      • 1...Sexc5
        • 2.Bf7#
      • 1...Sc7
        • 2.Sdxb3#
      • 1...Sa1
        • 2.Sdxe6#
        • 2.Scxe6#
      • 1...Sc1
        • 2.Sdxe6#
        • 2.Scxe6#
      • 1...Sd2
        • 2.Scxe6#
      • 1...Sa5
        • 2.Sdxe6#
      • 1...Sf4
        • 2.Scxb3#
      • 1...Sg5
        • 2.Scxb3#
      • 1...Sg7
        • 2.Sdxb3#
        • 2.Scxb3#
      • 1...Sd8
        • 2.Sdxb3#
      • 1...Sf8
        • 2.Sdxb3#
        • 2.Scxb3#
      • 1...a5
        • 2.Bb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(G);P-FLIGHT,XS(e)
      • Threat
        • DUALS(2)
      • Refutation
        • S(a);CHECK,P_SPINS(a),XS(F)
    • Try
      • S(F);CHECK,N_PINP(c)
      • Vars
        • K(b);S_FLIGHT::QAR2(D)
        • S(a);P_SPINS(a)::S(F)
        • S(e);P_SPINS(e)::S(F)
      • Refutation
        • S(e);P_SPINS(e)
    • Try
      • S(F);CHECK
      • Vars
        • S(a);P_SPINS(a)::S(F)
        • S(e);P_SPINS(e)::S(F)
      • Refutation
        • S(e);P_SPINS(e)
    • Try
      • Q(D);P_PINS(e)
      • Threat
        • QAB(D),XS(e)
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::QAB1(D),XS(e)
      • Refutation
        • S(a);N_SPINS(e),P_SPINS(a),XS(F)
  • Actual
    • S(B);XP(c)
    • Vars
      • S(a);OGATE,P_SPINS(a),XS(B)::P(A)
      • S(a);OGATE,P_SPINS(a),XS(F)::P(A)
      • S(e);OGATEB,P_SPINS(e),XS(B)::QAB(D)
      • S(e);OGATEB,P_SPINS(e),XS(F)::B(I)
      • S(e);N_GUARD::R(E)+S(B),XS(a)
      • S(a);N_GUARD::R(H)+S(F),XS(e)
      • S(a);N_GUARD::R(E)+S(B),XS(e)
      • S(e);N_GUARD::R(H)+S(F),XS(a)
      • P(d);N_GUARD::B(I)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).